{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460147282",
    "entityType": "User",
    "nonce": "0xcd640a20966e3c494b22c52b19109a8cd882137db534c55e41e4e2837e494301",
    "signature": "0x4a646ec3e6bb519f6104369e46b3d066c97c05a211b6279178f97105b3ba4d7f60a336838df9a84f348d96257ba60621b8b14390e4fa26912ce8c8f457a76cf51c",
    "signer": "0x6847b1C1dC4037586AE520454F7D9082f75cDB2c",
    "userId": "857826100"
  }
}