{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925149974",
    "entityType": "User",
    "nonce": "0xd3e132063254a3d8924c0ec9fc68b8375954edb3aec2b9ca0e60190aaab6aadb",
    "signature": "0x33b245eb6564fbfbdc2531e79bc97714ec70c08c93470ea4c54b4694f0dfcdec2353572924665b7e4c75927d26e972f78d81901c472f39e756bc213f530965c91c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}