{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55234",
    "entityType": "User",
    "nonce": "0x2f98aa58b21fef16aa847ecd96d1e02c67c58a417f0386a22be6d2e41f492374",
    "signature": "0x9f66a9322f64c0f6131c9d30d047e089310c90b32860a467c62189da60da706b2455f7b461d0763046b5bc69c5f3ffd4cb5834620a5e220b2bdd0fdc4f1d28181c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}