{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x1ecb98cb6959835bbb5262cabd7a07f285611c21347350594004de10c0c5412c",
    "signature": "0x7c2fb242c625e2091af9b4142f870a1df945352542776a307c011a764b63304d2e164582996fc3d95b7783c49f2b790de1f3af4bc4367f0febd3425255e758081c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}