{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949537054",
    "entityType": "User",
    "nonce": "0xff012996f1d12d60471e63ea71b539cba12c8de6936754073b2a72515cde9537",
    "signature": "0xd7365e2170cad2409d7362d92378fce9a0753e27470a4929c0b25eef9832e62519f7ba09063d3031863fffa9136113eb0fc2588099bd9bdc41c2d39d2d9808561b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}