{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "947613524",
    "entityType": "User",
    "nonce": "0x1c12beaabc5a1721e24dce429b47afe9395c334d6893aec6acd1a763ca921375",
    "signature": "0x431770b14d964192e32b3b6b28b37e71ab21330a0bdf0cbd7152bc455ad7b5947399b4e0e805f4328b67067a8afc40cd2320b11dc427359449a9b13515f8cab51b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}