{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7a1c32d5e42ded186be645d955442897e6b6f6a3df61942902f1eb2794cd3305",
    "signature": "0x8a692a27f679c7c83bd9e21c549e9fe8692879cf4b5ce180fb2e480bb0865c1a5eb61d888b42d6bcb56b7c8315109a5d019be8ef2540110d096f6aa71ff28b151b",
    "signer": "0x84DFe1732e27228f450D6544e12F4986DD31a78C",
    "userId": "347803134"
  }
}