{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc930999db93131e96e0ac006c817d302a8fb7dee27a0cdf8379c2e456f98b22d",
    "signature": "0x847e5b2aaf054239ed4e92da6397473cd5c0a8cf772d0e7bf90b6825e8f46f9c2216c62dec33234dd17198b0903a6c231e1c8b2db6e60b778c975a1607ca5c811c",
    "signer": "0xeC5CAD3f8EFF83e06a67c48baac57efBB1A3a350",
    "userId": "343291723"
  }
}