{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5f012e63f6bee57ce025dee19a4c809a6e325f7fc764758876ac97ad0d8bffb6",
    "signature": "0xad8d9208a2ef04f3faffd67d75f1fee124d9a75fafaa389d1bcdd94c28c6c608753fe64325d55c2da29172602e367e3b2016d7488aa41fa8b94e35c78e25cd2e1c",
    "signer": "0x9D25CA757001F2f1F62f38c465aa70E0f89Ea39D",
    "userId": "879689249"
  }
}