{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148429399",
    "entityType": "User",
    "nonce": "0xb910b8e4dcdbe5c9f935999d57ee0d1ab2a02dfe5730b9b363b0a754d2833396",
    "signature": "0x4a116765eed89a8978f1bead4f055e83669bbfb97aab21152549aad9b6398a336826befa95b75a3a9260a3c8a5d7ea4ab4b0c3b636831ce3dd5c37f7495add0c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}