{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e20c094da82fedc437c010812abc9da27c353274b8319ad4fea1a24ac979898",
    "signature": "0xe72380ef243746cc3963bcae4b453f78e5e483c0e6baf09f098c45b2b9242ace39a20af4c5e933130d84a48896e16c4a2297c4d1e5243a333b878c30985e63741b",
    "signer": "0x368BC986eF15ef6da2Be840C11891d2787eDb637",
    "userId": "744024425"
  }
}