{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56534466",
    "entityType": "User",
    "nonce": "0xb4542444d2e10b0313144fc5417cd22c4b7b54445ae1142afd1a927531c5d0ab",
    "signature": "0x010080f4bbbc3e6157a99dd486f5fc4ce2cefbca8ee4d32a8f78b02fc9d6558261a959b003db01ade0f51170ef83f54410d40a2de796c782b6ea0bfa8c2ff6481c",
    "signer": "0xFD01dE3132EdfCD614428f6483157460112f3f4D",
    "userId": "735164915"
  }
}