{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9ca42ef1190113cbdb3c7e7bd8ffa9cbc89712d58f44a4a7e659de7051d2a9b4",
    "signature": "0x43b39c1fadf6ec5297be845a62ab937e63b28ae238c4ac89d1daf65af4ec86f0545e8b1f142041c74132cf619b82454868d69647110c71f7859208202e68c70c1c",
    "signer": "0x8f77F7FE2165fBa864E751474Ad844d93fAAFaD7",
    "userId": "265585009"
  }
}