{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13589021",
    "entityType": "User",
    "nonce": "0xd9672775fc89927427280fcb87b94f84adb2319fb4f20401cf428fb041473f8f",
    "signature": "0x5e4912b9ead9afa52d84e21d842149b15efd57edfd2797fbfd52fa05063520bd2207d3a7d0b78c2fdbe8f2f52520a64ac44f52c0e966ced329daf122f833d6b81b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}