{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14942",
    "entityType": "User",
    "nonce": "0x85c98ff4867b406d0ecb6250033131bd85ecb2f3945664f2f21f718609afcba0",
    "signature": "0x9d773aecb69bab4c664a13d7987b038b8b0573e0834721b1a3a86b02afb7cf33089655da5c0a845ef67fefc49c1f802d1d21185b743c7cf56a66eba595d2ef6f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}