{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf3901d9c3fab94e1ae7ed6cf4c09a2237f6c9dab1da76393aa2635212927fb4b",
    "signature": "0x9a6389affdd9280014b1982fd7486a0282a75f716796df9c65ea00251e17c62e3624488de45e1f78eb9da5175193052d1e148597a99d5dd7f88d6a1f7473f48b1b",
    "signer": "0x85b05A5e7cF0feBb14BB5feC1E645dB5151F8e8b",
    "userId": "104634770"
  }
}