{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111467392",
    "entityType": "User",
    "nonce": "0x6e40593f4400f5c37953b78c6824991b0df191fa56ac13624267c4108cd904bf",
    "signature": "0x01d014af0edff33278793d834b9638a7d8bc91e0985217bd19b88392458514c614d7216f28d3be92631f606b50ee785dbbc9d9ebffa1f5866ea94b94bbd3ee2e1c",
    "signer": "0xca893737e1b1765598267A674C70600eBF23C35e",
    "userId": "451786021"
  }
}