{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29800",
    "entityType": "User",
    "nonce": "0x5e135e3e8fb354cb1c54c4c3cdb15fcf65fcecd2c283071a55bdd7a8add0a233",
    "signature": "0xf8a4a829ca7e2c5046a1359f18ef264aad296942c8917120415c92b56ce6d13e341cd805c91e425c3c620bc00022e232f5d7cc21cf2b2e0cc94ffd1ac0de14a91c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}