{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x4487791f5a77b3467da1f37a855858399ecdd48cc92c0e8cc3a330874200ad1c",
    "signature": "0x472bdbe8ddd9ae0e67625da37a7b44234f8e3ea0c2b3a194e8cb57c6b4bf0b0e11ba73e2814d828cbd63f8a46f4a9aa6e0b7a526460a7b45053334ef74ba30ab1b",
    "signer": "0x8347D00964B8c402D6Fe1261B2cBeB49958d7811",
    "userId": "186667247"
  }
}