{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0xa9b37c1b00b06284bdc0df5532b1039b1e970d586ee59fbff088e0e68e081391",
    "signature": "0xa3b7f55bce1a88fbb5e8751b5bef3acd8b121c8579f3407a4fec7ddd92d208e303d1175cd55cfee2aef59505f0e99650feabd115149f567d97bce1d143de1e761c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}