{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55430",
    "entityType": "User",
    "nonce": "0x42f3039bbc84a8b88184807c6cea6954254e70c8aeb94375c9d1cc32bb1db60f",
    "signature": "0x3719653fa329af75be18372f07a7566af993d10fad47da1154926814f6d50f8f24ae77c51d54fd5e1a3e7cf02af2c0b91caaa933f8a7aa8180e6f68d1cabb0461b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}