{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9b4303ae26fe5392df6a796e0aae498cf303583d5f91b2f2191bf5365c9a095b",
    "signature": "0x5e642e5b0049c32f91106b82fe53b46f851a9a1379e3f66afda48ef8a6936d4a034710d5e82b6e8c2fb2f9d8f4f22e05e7a63ef0aa9975ccac8ba0829443f30a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}