{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x746aaed45973dd66aca77c651989af47a770f254f294352af560b21f0e5886b7",
    "signature": "0x071da043c57722d0812f9b0b370bd5dc9aec5ee51759c9ff183468252d027112236a9dc7e2a56a433f48761b0bf1d37c7fa1933a138f3378b895a91228b630491b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}