{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89852",
    "entityType": "User",
    "nonce": "0x3081858b2c943650ca8f4e8b04625a607ce60779f03fdf14d6fcbc0597601955",
    "signature": "0xe8f649b2de7bb23247b2b1ba296a7266c174faf7db7e7711c3a414aa1d0c6d9925fc6db28d5eb19ac1b37e71fb29428fc44cb5ed28b020df1c8d4b55715b63821c",
    "signer": "0xc7666bC2c39733fdDAC1b51E6D48C98cCadd0142",
    "userId": "705096688"
  }
}