{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "150822",
    "entityType": "User",
    "nonce": "0xe28edbc28729cb61b289dc1135219ef389b9373eb44c60924b9d8d30d499db41",
    "signature": "0xc0127474c00cf351bd9856f84cf113c37813a5353e997ace3c31d6c1d82a8c293dfcb658b26d3d5f9ee23178d628f530dddca76a0274f2b3be005320c01c23061b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}