{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xa65d8f7cceb8a54a8d33c824819a91a16c596c3b91aaa866de76fee9f61fc9e3",
    "signature": "0x7348e0600424debe58f59f6ef091f4ff97ac9a382d883b4400996262b9ae9cf75b83237582832e12940bd99e70c47b2c3499d8397d0cbcdd897a94101236de511c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}