{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x9efd20712903dacaa39fac0762c77c37e011d885fc9e588345c46e4a8bb01282",
    "signature": "0x71aca86754aeb91990fc2ef7c5b223647038c4fc54788aca47070bd167e909776aac0955de8f6a15e873d88f9e7c2d0d8c98b535ff6ea431fe91afa5475890011b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}