{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855415370",
    "entityType": "User",
    "nonce": "0x0ffd10424f20e6ec5bc5866888d6779c4fadede62c337d7054216b762f40c5a3",
    "signature": "0xc0e91f59666de17b61217220b71c4f653b84c5ab69e7d252382a02597746ed133a57c56a780ba21da9dc9ba93c1c5f121164d0c705107a77a057a2483ab4f2a31c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}