{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x7dbb2a0624e7e0325a093d262476bf533be144d7520e83e2b5d92e51474a065a",
    "signature": "0xf12ac0972b6dbcae92565cee0b9e29f6e73d4e54c53a72843dfcaa7991c1a5135f03ec6e3fdc9f704d230d8398ba4e1c039b62c175cda18ee51b28790d2504af1b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}