{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x489e5742af8b95292f3ee427f76e638ecd7d3bece66aa57fe3190803d8e4f821",
    "signature": "0x91e0afb27958a0407d30b7cca26195af99c18215bf9925aa3c4986bda1a58f713164f7e1e36ec5e2ace48620e5ebe30ec5145c9509fbecb0655b9a81181f2b1a1b",
    "signer": "0xAf1f176E32866fb97d822F6f5222061aF11ef652",
    "userId": "954117045"
  }
}