{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0x09d609f2eb603b333e99ba191be560ee51fc6db85898eeb392964dc2c696c019",
    "signature": "0x789744206e6108039e48583e935ed86c02c74251e2bb785dda6118e12947a24e5e54d03a0ed67314843a2415d0120f6d7132e1ac3fb26f55bda81f1e6d87eca21b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}