{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366470",
    "entityType": "User",
    "nonce": "0xfa08150c6634fcdcc9836d8de53cb9a6056cc3cc200d70e50e6e004376592c79",
    "signature": "0xe68f859bf01244c4bb1750652b2295247caf7df03a70c760961ca3ec7cbc19840cb85abbcf637229c1445cc0e73abefe868a66581e6aa007e4d36f5f83f515371c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}