{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0xe11e699c1b7119c8c94c9671ef3a36c8c4ed7b5562c3210508c3d221ba0e548a",
    "signature": "0xaa5e4e740a97307abe551229ad5efec60ba6c8e5883b1a4136ca6544a8f069b70bfdfdbfb88f62386616ca8023ad3a0c3ce4b1b3d1254cda1e4813f74d98b2a01b",
    "signer": "0x32987cB5D8fDeFeb44447584950469BfeC9Cd41f",
    "userId": "63084"
  }
}