{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0xc90032203673e4f6fea9a1b9ca7bfa85f3dd55de66a919ecdecf5a1423d5b46a",
    "signature": "0xabd54b349ec5cb4c7229f1b8ebbc5c514435922c09a73b9860fccc40833fc3d94977f2838c86da61d6321dc7d45a89253570cbbc99ab0254f59bc2216618def11c",
    "signer": "0x8a278E79c8E7e655B94c3e6798972A44Daa2c6ad",
    "userId": "24098924"
  }
}