{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332438",
    "entityType": "User",
    "nonce": "0xdaa2d0ecf2db4a0cbf2d8f4967e7da7dddd924995b5f337bbf78e4476c9be1ae",
    "signature": "0x607259d8466142ef07131a62b24991f28b1d1eb9b3cb7b97e1813abf9d2352ba3b77f701c9dd71e0ae1cd1fcf22e206d071bb44648cdd75d74a11916722adfbe1b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}