{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1780850",
    "entityType": "User",
    "nonce": "0x996e5149b3f778b38658d8f239c3e3dfee72d4eace26ae6ba32f418bb6ed09ef",
    "signature": "0xa7f4bb09345e265ad00d810540aa5fb84f12ff36619e6776ea3834233c218831439837247b717ae82844f5d019c811dc641cc22dc5ec76f02a1f5ee5b9d6cb1d1b",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}