{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12615893",
    "entityType": "User",
    "nonce": "0x70843228956e3e064585b87430f40e1f35ee1754467e161be0db758fe86a1456",
    "signature": "0x596d07174c7bcde43ce8eff50385028d21deea81a8b13e5d5ebf3f65de041a0f4046254f9c9e108023a0717d27a20990b4cb42fc936af3040c11afa18f53282a1c",
    "signer": "0x856dD60453733C7356ce2Cc02B884a7111eC7E6D",
    "userId": "15192427"
  }
}