{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x2fd8a0fd15bb4b103cd646a1679713d38b506c028d6e7e2d32e7a8bb3a9b68bb",
    "signature": "0x0c6886641bd1b805ee1c3813650e769e7620a4eaf7f90082a1837bece9cc41a51974e863280936f1ccc176e82d686dc4ff78930445eb8c6ae40725d2a401fd3e1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}