{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "634795661",
    "entityType": "User",
    "nonce": "0xac1865ff5c3a49f278961bb7ae3b4607753f86567c1977e12e0cbf811ed298e6",
    "signature": "0xd90dfc3ece38211b959bad5c875499e62429f24a0b691bd920d691d2a91b13db6c5a8a649700313a44a5ed2903a2c62c983836b4a68db0cdd49cf63450a004221b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}