{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x5efb12abfa3808dd0e8da0d56fbc62da5fd81a0f62dec67269df0d8fe042d091",
    "signature": "0xbc2ff632df3ae4250d08ee1e9a4788e8e1e0ba6cf991683f044dedc737a8dbce07af9fc5b0757eaf36f37107d5f78be45ce0ad4b1a2fc5e3e08e12f74e4862601b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}