{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394450",
    "entityType": "User",
    "nonce": "0xee32817c0674d4ba0af6e2b5e7075f85f3744331df16b0d8ad1c569682c8b727",
    "signature": "0x9f678e85eeb8e062de60cab1e0171a25f96f5dce52707d0f9066d689b83ec9634cc4e2067f16e000db05b6d4f5c77a524802251748751f54cc93270b1a7699581b",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}