{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126728",
    "entityType": "User",
    "nonce": "0xaa0434972c7918b38287ae5549e4927ba0d941e62e534a7c9dd8e2b122750049",
    "signature": "0x371b3e62d9feca51a569cbf73deba213bde23bdc269acd5d011b27c49fded8c802e2091430b603cc987543edc25c6faa25894f8454132e0d7e8fd1994da6b10b1b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}