{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475275462",
    "entityType": "User",
    "nonce": "0x40a82769ca4400b962146224cdb643b80cfa3e365ced038019d963bcc2335af2",
    "signature": "0xd13182087e4ea02bcc2581e766bd218aed3c67943867c11b20a671303c5c07550a1f6885a05bf3426f95f61c712d4124498ca8324d1d41acb1c318d8de16f3991c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}