{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7eb0084140057dc76a4839ba27cbfd1fcea6362bcb87fed66697268166503080",
    "signature": "0x730d116da322cc2c364702fcd8dc9313414513d926310cc86e55a85a2f4bc81476c576a6f62a7c41a5a0dae335083ef318cbf142c2679a5e1e6f4d5d242c65531c",
    "signer": "0x65B397863ff57a2A033E59911d53df602cB2EAc4",
    "userId": "696091005"
  }
}