{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x95889f59cc186c7c1bb131ac17135b261fa063208e0168b2809c32fb959baebb",
    "signature": "0xfb8d4cf286117f6b67e7f0b0e6ce36325a9b201882c45396e2a7c9389fc6ebef4342875012dfacc96b1d1ada9883e3706f099ff696e18edaabcb0c226502b2b21b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}