{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766107478",
    "entityType": "User",
    "nonce": "0xe850de5f92c613a9cd1e01e0694444ea2635ae350b3b090ec5503cd238273fd4",
    "signature": "0xd79aafa9f7ffa3f6a5a75dfe3a4bf191ad6e02e4ca3b8fc350823376b2cf116d59bc8050e3afbdeaf2d20df1132a6dd9a6e0e0a45ad4ab8927554dd7bd8b7a901b",
    "signer": "0xb3ec8D53b350D3Fae74A06a6023Fa66171B67E2c",
    "userId": "695620563"
  }
}