{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122586",
    "entityType": "User",
    "nonce": "0x10231ebe838399dd82638903c953d5b2cfe9cbfc89f2cc9052548bd3b6e1a969",
    "signature": "0xfe9a209f5ceba792fb97712bf69784bc27e927391b15fe05fe786aeabcf0e81d54665e40b47ffe10cc52478dc41102ec5044a7e02e70f3e22637119409da51521b",
    "signer": "0xD55DC3bb788f477f695183900Fff41982fa8ecfF",
    "userId": "677613980"
  }
}