{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x523582179797fe7e34a0ecd62422a6b17df6a7a75c7b2e2b15a24c55cda9264a",
    "signature": "0xdb353358ab4dcfe0aa3f6796d1aa5b081f7c664be4a61399b0e38e1f7e301911111efec4390087a4690f3f4cca1bd8176ee6f6d25ce9139b7f5065c36a93beeb1b",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}