{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13701",
    "entityType": "User",
    "nonce": "0x4713beca65c10f7e9640fa77ab78597608dd33b72e69a15118f203c7e9f5ea63",
    "signature": "0xad5542d37f01b93c223c8ecfe605a073a8b87e46781345e43679237a3ec0575f648c5f1a8f3aafdfbc97a85c28018a9567dbe9a82787e51f6911fada2bbe760b1b",
    "signer": "0x20Fe395061E06851Ee416aEB147c690057F23af4",
    "userId": "748892693"
  }
}