{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x031fc317c7b2709a06742c4314afa2561d02d73c119b57ba3359b6b444017c98",
    "signature": "0x9cdcc0613e2234722c9d80e2c829ecc8644113f8606ec584a242762d5a92576e7563cca503d1a2fa71d2a1820f523f085d3c0c6a728e63a70b8d5fa6accda5c61c",
    "signer": "0xDe6128EEdBB4d15D391871267E286E878C7011B6",
    "userId": "144906061"
  }
}