{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7b000e9c250fa6abb917f898681265a54ecfdb20264761c15aca91942e4589bc",
    "signature": "0x9b8b33c981481717595a6638a88035a075b062a12a0694257afcd2f6675bbe2771ae9a90f3eea58fef887283beb1742d28b8f92e836879302757dd18eea2f2a01b",
    "signer": "0xeb71D7bDd9f1cA479325005f04564BE9BCeEf113",
    "userId": "952847282"
  }
}