{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56394",
    "entityType": "User",
    "nonce": "0x5a701bf1030d37e100166a0b659059a6fa905e5889c02950a91a5013b4c4289c",
    "signature": "0xae77896844d121d53f78ba42a7023ce57903c1bf6061cef6114765fce512bba930729cc8d908e37e1938dfdf2d9c24f28b8aad875d303badf05ea4b2dd13189b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}