{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141285",
    "entityType": "User",
    "nonce": "0xa52e6294461df980ab677eef73a65c45fb9b0f44030a5d5b8c570b22b7057e0c",
    "signature": "0x5a061050e9b48d5764f2f65eba6b890cc7a5d3f889bf1969abec3f966cd44cd708b3d9e997dc4a956980a9174c229f0645ace4a8ae2420511b3f3bc879ce3a721c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}