{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x67cbc05bf1eb8a60493b5ec7f7ac6b1da30c5b10fa1a905635ce38a2393ada24",
    "signature": "0xdff6abec9bb912f0bf656ab86c579ba8e3fd17ef883f2e841e93ad6cdac10d114127dc0959ef98235a633333b55a51712cb9d13e6a3ff47eb780be3df90a76241c",
    "signer": "0x85b05A5e7cF0feBb14BB5feC1E645dB5151F8e8b",
    "userId": "104634770"
  }
}