{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "992135879",
    "entityType": "User",
    "nonce": "0x1d48826e5ce9d4fcf0976d7f1875015f599b589ae2bbb7e79713608cc288fa4e",
    "signature": "0xefdabd8a73055d6445b090b0916e0937ad9a5f691e1139a1cf26b0046b3ef4392398622230fad8314ee38cc877de822755952524b9a62b2e9b9a458abfc6595a1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}