{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xb978299d6ace0e53d4b06fd212dfa7aa485bb81858b0c5b7c6791f8745e7041e",
    "signature": "0x3c5ad7a8d9a120ef028f41a3885181c6cfa01450acd57a516dde310c05eb64f441464cba33b098671cba85141fcfc8fdc90c434b6bf4e37ae10e59270b1739d11c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}