{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa754d36a5fa845ca4dd535da8b937e960eb44d99cc35d57329a1cab98be03283",
    "signature": "0x3633f07f3acb84c05c4911c7f93fc32efb3bbb0b9087290df2de5561920d0cd203c347997e2d514fd4c260eef50eda71c46d5b8e5df7de55b1bff88d105eb2cc1b",
    "signer": "0x85b05A5e7cF0feBb14BB5feC1E645dB5151F8e8b",
    "userId": "104634770"
  }
}