{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x200cebd2fc260f172986e431c68b5c3978a6164338a3a452715184cf721e132c",
    "signature": "0x816c16d49c01afb6e32960e2a15e412d0e4b360b97b50dcbbe04508be576c563667633083f50bf9edaf6033cc8020bb21e62aa50650afca6b88b73e4f7077c111b",
    "signer": "0xaCd3122E4721AD0f883028Cf1A939087aE84D9D8",
    "userId": "527636914"
  }
}