{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0x8979bc6146c3aed13115dd61054900d643f73d556444b0b6a13e870990f78bd7",
    "signature": "0xc34be296e759f81bf392bcf30ef95a1ca8e0629eab5215fb91e703c7ead5abe1443ed55affb6541f9c0c23de961f477a3b6c9e487cc303c56affd1ca984c83d61b",
    "signer": "0x79375D6d575fE2a038916001077f90CbAE12d4A9",
    "userId": "973873678"
  }
}