{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe6235f83ea9024df09668bf36a689ede0285b22d6b55bdbba2bc8545d37fc8e5",
    "signature": "0xade5d742bd06ec23c09dff65349362907e46011c8ecdd0d7ed05e143a1e0676b57663325f72a2169925b851ffcf785deb69498e27986ca198e54e6f5afb9e8281c",
    "signer": "0x842Bf8483c32FE707f061aa9c95d8DE78dDE6553",
    "userId": "275145996"
  }
}