{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104012",
    "entityType": "User",
    "nonce": "0x5139cff5c004198a64201e18fe76f9b3ad89fdffe3db21fef2e0e3bc09325c34",
    "signature": "0x4d8ab48618a02e04938df41c81224e3b0cde7e2a4c22c39a27b673dce601f7fe35b45a52b5abcc2d96e57cf8c0c7001e304f18c8a4c49b8914475b573fbecaac1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}