{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370091516",
    "entityType": "User",
    "nonce": "0x12e7a8319792fb25ff2c7a14e26986561148c6f5d0072cd55c0b66f817bc1ac6",
    "signature": "0xa5f36400d69aa219d627881f1afce0966630c13f3b581b7ca61e8fe0496c44ea51c382718b6a72a535efcae609e98fb4b038e97aa263d797b80012b657a9220d1b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}