{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0xb58f00da531347a9c5779884977b9d9d210601a3ce903ac6e6324eff975a2a50",
    "signature": "0xce1b99183bd563be1fefcb48aae45ba99101fae776d80d05a612d8fe932233b06a8c7d46344d556f706019cff0f16cc90ab9079903d5c3164261248a726e07c51c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}