{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928381185",
    "entityType": "User",
    "nonce": "0x0bc5adb6c4d54d53f85d7d4439a102b00dbe9954920ede491a178073e701daa3",
    "signature": "0x62a990e1d82ce97d11d15015ae1986c87faedd9c0f483b002e6fcb1c2684a8306385f3a0d59aece726ec9d09baaedd37c46bdd0563bc7eee1a874c3ecc49bfb21c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}