{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342366",
    "entityType": "User",
    "nonce": "0x4a0d32e16c772e7ae3af6b4642a795558adf0d5923e9254e13999c0dca810ef3",
    "signature": "0x53508173968cfcfcfa0a7bcbbcb775692b38823670de59d873a9174781e4e49f646ac76d0433d46afff9808aada4dee43275a29a36acae87b4620dbb2d712ad21b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}