{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7fd33b5065af09249ae5e8abfe7bf7992ce05dbd5b6cd5f97dd81adcee013b04",
    "signature": "0xe794d40247c3a576a7a0da2d02089b223f3475428a90afe7d8dcd74552cda2e519c720594ae690a33e0069baba5bac644ef7ddb47ac9adc0c0bef71f5d4938ad1b",
    "signer": "0xBCf6e47632dAEE8edBaCE056A9322bDb09EDBa4E",
    "userId": "282228420"
  }
}