{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184353",
    "entityType": "User",
    "nonce": "0x5c2d4bbf3fda5c11c9fb39b87446108eff3133c1fb6764f51110dfc6efc3e133",
    "signature": "0x2053982c0c6a5518ef7fcaf35fef89ad41cafa126c39e069c5127fda56fb44cf60c555d9fa83d2c70e17f3f3a2769888c24787c940c0796c5afb475c0027f7bd1c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}