{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e82dff184991113accfa90bedc7c7c392d275a9a7d0e116829cd560d59b26d8",
    "signature": "0x82b9d468b999967ae231fd8902906daae1917f3e6353606175ae200ea52cee3734cb8f6cfed81a0a88017a6a2f74f3675a7bc6b45a0a6cb7ddf7a4f50ad15c571c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}