{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933",
    "entityType": "User",
    "nonce": "0x1d671131e347e1c428312a93ca6b4d5772e0db7c6f5ad46a64c8597389c7bec7",
    "signature": "0x79a22c28cbf0b636fe79e90920a165f161bf9aa926829159f5b35d2d31b01519396687e4b656e512716df651df067fee4b12bcd2d3459765d030caabea12acfa1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}