{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151571",
    "entityType": "User",
    "nonce": "0xa8c1c11243de35f95e66236fb71fececa93b78255c44788f59d238e1a817ce8a",
    "signature": "0x4d59b5eaccbef75a301f862fc0de81efe39206d432a30aef631a581e1a7a20cc5057d63e3b70a6a1aa97a7dfadc10a578c548fe8894160fe91f26ad842976d0b1b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}