{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "377610060",
    "entityType": "User",
    "nonce": "0x9d3d40a490d4054f76a8b7978204007a6087d7948771099038234efc8d40da25",
    "signature": "0x0ff146f41c333dc33a3a06f7d2ac7f9e7362bda5f650652c0bf25ff16a36802873a9cb5401067c11283ed2fac2a60ad76116c9ac735604607ad4ae9d43e81b3e1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}