{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15758",
    "entityType": "User",
    "nonce": "0xd4394eb61c82852ee8e80111c09b2a26be7de85209fa7af54410883cde026125",
    "signature": "0x36ede618a878a7fb048a778f3791af6561b3eef070d98d6ae3321d4cc60074900a8fc14c18f3ece4b62a3f84cd1139694509a14fff4a3c9178bc758b21ece07c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}