{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x46859a269a6374eb822dd9a1890d261ae9eec939eec4d01e0d65f48457fd945d",
    "signature": "0x826ffc3de72129e39a9ee7ee916fe825c36d37b0220babcf07e8f6cc8c972482221be9095229a009be965749eb7181198a067e091738c54da3accba3eee81af51b",
    "signer": "0xc1A14B02Ce70E8a627CfbF7818f52FBe367dBfB1",
    "userId": "9379013"
  }
}