{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89874247",
    "entityType": "User",
    "nonce": "0x2c5e3844e31fdfc886ae3ee2c3157c4193d9cf89d2c383f021ecc233a7524552",
    "signature": "0x5234cbc73fd5032513b0d74e69bc55326b15b4399e77b0a3710099150889a1f0794ab82aa732e90235e6797aa6c5f325eadfc5af9eeee805870ad37f65801a741c",
    "signer": "0x7c2f6C8E39514CA33Af557b55Ae76A43850B28f5",
    "userId": "317425703"
  }
}