{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308558165",
    "entityType": "User",
    "nonce": "0x01d36062d1e75b0991063f1449d52f244c0a2d44b657c1ffbfa250e2edfdd5d3",
    "signature": "0xb7615b7ac2f0b62add0d371c34bfebedc1276fa84941fe9436199be1344e6df41ba1b1832876b3fe889b28fefcf7b6503e327127fc0a0479b2f150f0014b7b621c",
    "signer": "0xAd33018d1AA234072Eed7f991F9891f3688158d3",
    "userId": "413212044"
  }
}