{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171892",
    "entityType": "User",
    "nonce": "0x7854e13463885fe0fea2485a4d64f15c8c9e7021f56c1f46ce05e80dfbc7d320",
    "signature": "0xa1a13a9db93fc4ed6b6ceb318fc487caf85166293702a8d0b2e75b5decb8642e2468e009177fd1d498d9e15ed5cf811fdd430d9238ec4863bbbdb413f4048c651c",
    "signer": "0x79112Ea36625dFA8dd996c11847B45e2C8C1F54a",
    "userId": "296453887"
  }
}