{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831215165",
    "entityType": "User",
    "nonce": "0xbbad1170c61904604541f2b4b5f78c9b2a6c85254c0fc69208cbe31b9d4bde15",
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    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}