{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2033338",
    "entityType": "User",
    "nonce": "0xecc09c9f9b7e05a3ba87a607d397e53ec1e19156b0fcaf8a66c87e404d4ecb2d",
    "signature": "0x543d3347b84119c82aa2db1a2ce4580966b4264882d7245eecd3dcaa595924be5d38b65dd8e2d95896e979414b4644282bc018a87c21176bb0067d2e9dc2ced81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}