{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x513bbe6df2b204cc614e328f2d8d7c164e64ac7173e1c32956fb103fd4ae786f",
    "signature": "0x10797250dec4bc4ecd78a3045b7b1b7b23ad4e9db94672aa21926dae80a8e70d578a97dde6e109b412e90a04233dca6042ad2c49aa9550585056a88357a24eb51b",
    "signer": "0x35067Af427B9937774caa50b7161C41233caF249",
    "userId": "429063330"
  }
}