{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xab2b7875ce337d090c04ab688c998559a4f824bfaeb3b297bd0aebaa0dcf6481",
    "signature": "0x3855803a9a0eea997904efbb83f13a965960ea88663c123c32b9b3dbe2b19c4a29ba2590920370a32fbfb251ed0597deb2feedaf876ed0efd1bd17deee8276c31c",
    "signer": "0x092fc310728c8d52dE372E3e05C135AC5A20A766",
    "userId": "486827811"
  }
}