{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22486594",
    "entityType": "User",
    "nonce": "0xf014e65f56b3d7cfa1b988a5e17c3081fdd2a79f741155f5be9e874d7f1f299f",
    "signature": "0x664770b89e1c3399af47d2129c1eda10eccf438021a3713cae63b74a2e11271905edc8e22cc24d14b4e2611b3fa15adbd3394e3f6e7874c6ac7b6704dab44ee91c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}