{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "368122",
    "entityType": "User",
    "nonce": "0xf950e36a3b074afeb10c0b1d5d604bf8c3f2b2a2539e506c8e452e79ee7a1962",
    "signature": "0xd243f3162360bfcc6705427faab347afc75b8bcb403d59a0073b3a64f706c91c732c4c9cdd50b4cd1ca7b062bdf80e71e4791021a03f193823a53896e0373cdb1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}