{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "771854065",
    "entityType": "User",
    "nonce": "0x89bec3dd5afefa61356c32b7ca8eb899b804f81ab508229d7e06316b16011cb5",
    "signature": "0x72ee6013709f61ec674a8e83735cba7203c5b70a6ff33a8dc164dfb7902877fe12d3e10d8d9f821023cf4eb119f516d08524da1d504ae1b5d0c70fac7591df221b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}