{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037329",
    "entityType": "User",
    "nonce": "0x6363cd412c4b0083cf56f06ec3f4256822c6d725ecaafc2e6f48d35238bafab8",
    "signature": "0x3b26f94ef25dbc16f0e7cb8803b8b04934f489618d3b51bc5d4f060788331ac32b179ff369ce74146ba8ab738739127eff197edad53a184bdd54e555e03653191c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}