{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1887966",
    "entityType": "User",
    "nonce": "0x47af084f5c70ce264314245907384eda0cd2542e36304e30bc4231f70bde4ab9",
    "signature": "0xa9078e2287fb3a36a58e452d0aadc3ce4b4ed79150ce4b82b3248684fa0c40c472cf538b49daa32c4ee8143467f6e28208650cbbc9ed6eb291c4977d96052ce01c",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}