{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0c8e94a65b8872351a0de4b136fd5d03f28c97b714b4608a8a20103ef000de9b",
    "signature": "0x4d4e694920897b0bc44e48214fe18e43bccb98317d81bf9dc8010dfb5062f1ea54626f1ac2f8d10c2fc8aad763d90a9e0ace38b6dcabc591b7af34251486b0cd1c",
    "signer": "0xAE431F3baC86CaBC394e0eA4b19B78024e2c40Cc",
    "userId": "630668268"
  }
}