{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0xa431b2d4f3e568ba5ada57f7beec89b7e664c0e8d852de17cd55dc521ccd774c",
    "signature": "0x2ddcdd2f6408c7dcca05bb588faaa9c4c2ed528b79af93df651d6dc88552fab10b1601923e33d8b1401bae4c252ff53c4823e0b8a589bfe68407b38433ce13fa1b",
    "signer": "0x79D4a638460cd4209c5C1e92eAac0854961390Cd",
    "userId": "332669454"
  }
}