{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xc6620cf63e428a2a8695d23c988bdf806a939e743a4b1138ef22efed1f30c87b",
    "signature": "0x5d14b2b347f1e3d9cce42a4a696836d06cdc59c2127b4a2a30130f0549756a29059b1d6566331fd2e86e9250f74492eb53f432005cb46b198e407b46bbdee4041c",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}