{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "469356525",
    "entityType": "User",
    "nonce": "0x8a836a5caea71964bf4f05a30a6fc150380c72ffa95eedd79e371811f056686d",
    "signature": "0x26be1e6214ecb696346160228203e7f6ed133b559e987e3d8e995fffc8a5ffaa5c84d5ecc457d60294bc31484380d0f59f63a62e26366994d0e556c6d7d59ad51c",
    "signer": "0x1Ef5331d98352E3A7eb4f177ae6BbD27cA99eD1B",
    "userId": "771602835"
  }
}