{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0xc90054b1ed5fff3ee967a3b594fbda2658ea656847f8d84f07d9e58cf1f05af2",
    "signature": "0xeffb12d7d336c7781358f3bbce9f18b0ef8769a9b17390a5d4c8c26d24461d887776620519e95d76500cefbac7557f706fa6a37dfda67fc1d2bb78fc489a4d8d1b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}