{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5ffd858af9f8691196e1aeff5b57fc04e7804a340679a8e66fbfdc893b61a2c4",
    "signature": "0x3d43a71b00b092e16d87936928974654b6d1b0d037c5a3626dcecbd76be918de6de68fea488a1a2399d45c9524d89b50b92522d2a53bfd2a54be91c39c3631b51c",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}