{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962626737",
    "entityType": "User",
    "nonce": "0x9beadb6320015aa37b2e29d55466d09338ae1aa7bb0316b944c4fcf311f8126d",
    "signature": "0xf7c3eee2beb908b55f2bf33988c163630d9268ec327e695cbeed4c5d5c9829495f30c673dfd3efa5972e938150022f39a8c46f7553afa7551e08be98de798f4c1b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}