{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xbae7eb7e85e76dd7aed427837440aab28e97dbe6e0c993e5521fa6dc1269ba22",
    "signature": "0x86be364921ba577669d66748edf21a3b0b76b0567f46bdb9880ea6a0b2e46e915177ba87c99c5ca8ccc7e2354915b545bbd839e9f8c3d55f0880ed57b68484ab1c",
    "signer": "0x90Fd90dD6089EEAe473E5d50F861D546521459a7",
    "userId": "438760710"
  }
}