{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "246813",
    "entityType": "User",
    "nonce": "0xa0610572ea49ddc29c46f8a90f67228ac310369521915c537e44ba22d6aa0ca7",
    "signature": "0xf2ba45dfd9ac4d3298dee742089cd3219a516daf812e2a517d66058b3f5466eb653ac1494264ad16ba30358f7a7c2f4e299ddb2db039ccd337578b334b19a54b1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}