{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134982436",
    "entityType": "User",
    "nonce": "0x4adad4c08acacb746c9bd28ed94fe77468fbe7a3571103da1e8d26f02a0e9029",
    "signature": "0x1a59af700d68badabd722614fe53d1ae8d1cb2f74e50fc95f08ddce0f07f5c283a0bfa9d27b5650302344a9ec884cc8be62e33143d41ed33cc4ca8ac3f35f3781c",
    "signer": "0x70198A93751A42B30b73B4b84803dc6Fe67290C3",
    "userId": "37067745"
  }
}