{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885016",
    "entityType": "User",
    "nonce": "0xacef85ee41c726291f103cf2caf3c535558b7fbb78f3a2d9a507834eb91b8d55",
    "signature": "0x402f226102cc4878c544364c0c195883d203d0352e6c3f187821d1f1520f8ab3721a65669c744c1e468d4d9ebdf6015e889ae6dcac07fcc97fcfa8a76e1f3a751b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}