{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332532",
    "entityType": "User",
    "nonce": "0x5a0e711f32ea7572dfabd923b094eb93e4dc17563bdb3293147c2318aeff2790",
    "signature": "0xfd7a94a62c98118641ab68be475b57cfc6d2f4b28d0888f13dc69c0fff2b61cb0639f128209f64a236f18880b7584b0184609c372ea4c27944fece3506e05b091c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}