{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x10b7d034eb636ca0925f180d780fe1bf0e02cab239ed325fcd5ef272243caf0b",
    "signature": "0xdd9287e14012c21d162e0c8750614511c44d7f1ffb6d921c800f861663bbc73c39d112d64a5523d4fb71e19fdb2abe4d9e5c32c0390b54933b762ab4cc9d3b941c",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}