{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58980",
    "entityType": "User",
    "nonce": "0xaa07211321b5813f9620b80e5483ac4d65a7748a738c545ee4f9c6b8273d7812",
    "signature": "0x691a24b9a4f8f96d022ecc9813c4c34dfc1f06d33bccf6bc197f8dfcfadd1e9f26ad5b8f940d33a30268b26b57e7456d542447a64c3eb14ea6baf1e0c7e5988e1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}